package lab02.test13;

public class School extends ComputerAverage{
    float ChineseGrade=123;
    float MathGrade=123;
    float EnglishGrade=123;
    float aver(){
        return (ChineseGrade+MathGrade+EnglishGrade)/3;

    }
    @Override
    float ComputerAverage(float grade) {
        System.out.println("平均成绩为：");
        return 0;
    }
}
